Table 2. Correlation coefficients between memory change scores and sleep parameters.

		SEFF %	SOL(min)	WASO (min)	NOA	N2%	N3%	R%	N2 SpAslow	N2 SpAfast	N3 SpAslow	N3 SpAfast
FTT
controls	OMC 1	−0.177	0.400(*)	−0.159	0.265	−0.047	−0.177	−0.211	0.320	0.317	0.148	0.293
	OMC 2	0.207	0.001	−0.353	−0.136	0.038	0.049	−0.477*	0.221	0.217	0.508*	0.459*
patients	OMC 1	0.000	−0.014	0.022	0.018	−0.223	0.249	−0.042	0.090	0.077	0.064	0.128
	OMC 2	0.194	−0.228	−0.094	0.135	−0.191	0.168	−0.129	−0.027	0.143	−0.101	0.119
WORDS
controls	OMC 1	0.432	−0.270	−0.263	−0.328	−0.111	−0.109	0.511*	−0.300	−0.236	−0.102	−0.086
	OMC 2	0.270	0.200	−0.462*	−0.328	0.259	−0.068	0.147	0.162	0.062	0.315	0.292
patients	OMC 1	0.292	−0.157	−0.276	−0.209	−0.164	−0.072	−0.073	−0.162	−0.192	0.059	−0.052
	OMC 2	0.235	0.160	−0.278	−0.561**	0.044	0.097	−0.195	0.317	0.340	0.431*	0.417*

OMC1 = overnight memory change 1 (MEM-CONSOLIDATION – MEM-ENCODING); OMC2 = overnight memory change 2 (MEM-SUSCEPTIBILITY – MEM-ENCODING); SEFF = sleep efficiency; SOL = sleep onset latency; WASO = wake after sleep onset; NOA = number of awakenings; N2 = stage 2 sleep; N3 = slow-wave sleep; R = rapid eye movement sleep; SpA = spindle activity. (*)p<0.1, *p<0.05, **p<0.01. Note that only representative electrodes are provided for SpA (FTT: C4, WORD: F3), for additional details please refer to the supplementary material.